How far is it from LaSalle, ON to Sarnia, ON?

The distance between LaSalle, ON and Sarnia, ON is 128 km by road.

How long does it take to drive from LaSalle, ON to Sarnia, ON?

The drive from LaSalle, ON to Sarnia, ON takes approximately 1 h 50 min by car.

The fastest route from LaSalle, ON to Sarnia, ON covers 128 km with a driving time of approximately 1 h 50 min.

Sarnia, ON lies roughly to the north-east of LaSalle, ON.

The drive from LaSalle, ON to Sarnia, ON mainly follows I 94.

Towns on the route from LaSalle, ON to Sarnia, ON include Detroit, Warren, Sterling Heights, New Baltimore, Port Huron.

Distance: 128 kmDrive time: 1 h 50 min

Driving from LaSalle, ON to Sarnia, ON takes about 1 h 50 min via I 94. The distance is 128 km. The straight-line distance is 107 km. EV charging is available along the route, including in Windsor, ON, Hamtramck, MI, Sterling Heights, MI, Marysville, MI, Port Huron, MI. Driving directions

Driving directions27 · 128 km

14 Continue straight onto Jeffries Freeway 3 km
15 Take exit slightly right 291 m
16 Keep slightly right 381 m
17 Merge slightly left onto Edsel Ford Freeway 29 km
18 Continue straight onto Ford Freeway 71 km
19 Take exit slightly left 218 m
20 Merge slightly right onto Blue Water Bridge Approach 2 km
21 Keep slightly right 28 m
22 Keep slightly left 154 m
23 Merge slightly left onto CBSA - Sarnia (Point Edward) Point Of Entry Traveler Lanes 380 m
24 Continue straight onto Highway 402 8 km
25 Take exit slightly right 736 m
26 Turn left onto Airport Road 894 m
27 Arrive onto Airport Road

The return trip from Sarnia, ON to LaSalle, ON covers roughly the same distance, 128 km.

No notable attractions were found along this route.

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 5 October 2026.

How far is it from LaSalle, ON to Sarnia, ON?: The distance between LaSalle, ON and Sarnia, ON is 128 km by road.
How long does it take to drive from LaSalle, ON to Sarnia, ON?: The drive from LaSalle, ON to Sarnia, ON takes approximately 1 h 50 min by car.
What is the best route from LaSalle, ON to Sarnia, ON?: The fastest route from LaSalle, ON to Sarnia, ON covers 128 km with a driving time of approximately 1 h 50 min.
Which direction is Sarnia, ON from LaSalle, ON?: Sarnia, ON lies roughly to the north-east of LaSalle, ON.
Which roads does the route from LaSalle, ON to Sarnia, ON follow?: The drive from LaSalle, ON to Sarnia, ON mainly follows I 94.
Which towns do you pass between LaSalle, ON and Sarnia, ON?: Towns on the route from LaSalle, ON to Sarnia, ON include Detroit, Warren, Sterling Heights, New Baltimore, Port Huron.